On 05/19/2016 08:31 AM, Jon Hunter wrote:
On 29/02/16 21:01, Lucas Stach wrote:This allows to switch the card signal voltage level to 1.8V, which is needed for any ultra high speed modes to work. Signed-off-by: Lucas Stach <dev@xxxxxxxxxx> --- This needs the SDMMC memcomp pad calibration patches I just sent out to be applied, otherwise the card voltage change will fail with a message in the kernel log and a fall back to high speed operation. --- arch/arm/boot/dts/tegra30-beaver.dts | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts index 1daed40..6b237f2 100644 --- a/arch/arm/boot/dts/tegra30-beaver.dts +++ b/arch/arm/boot/dts/tegra30-beaver.dts @@ -1848,7 +1848,7 @@ ldo5_reg: ldo5 { regulator-name = "vddio_sdmmc,avdd_vdac";Stephen, looking at the schematics, I don't see that this is connected to the avdd_vdac (which appears to be unconnected) and so I am wondering if this name should be just "vddio_sdmmc"?
Yes, I don't know where avdd_vdac came from; it doesn't appear connected on any Beaver (or even Cardhu, from which it was probably derived) schematic that I have.
CC += Bryan in case he has any recollection since he wrote this DT. -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
